iSAP is a collection of packages, in IDL and C++, related to sparsity and its application in astronomical data analysis (the IDL software (http://www.idl-envi.com) is analogous to Matlab and is very widely used in astrophysics and in medical imaging). The C++ routines can be used independently of IDL.

The iSAP V3.1 software, including all these packages, can be downloaded here: ISAP_V3.1.The documentation of iSAP is available in PDF format: doc_iSAP_V3.0

MSVST V1.0:Multi-Scale Variance Stabilizing Transform for 1D and 2D data setsIDL and C++ code for Poisson noise removal. Matlab code can also be found here.

MRS V3.2: MultiResolution on the SphereIDL and C++ code for sparse representation on the sphere. More details can be found here.

SparsePOL V1.1: Polarized Spherical Wavelets and CurveletsIDL code for sparse representation of polarized data on the sphere. More details can be found here.

MRS-MSVSTS V1.1: Multi-Scale Variance Stabilizing Transform on the SphereIDL code for Poisson noise removal and deconvolution on mono-channel and multichannel spherical data. More details can be found here.